AirHint found the following cheapest return flights from London (LHR) to Skopje (SKP) in September 2025 (see full year).

Return flights

16 Sep - 23 Sep	Vueling Airlines
21 Sep - 24 Sep	Air Serbia
21 Sep - 27 Sep	Air Serbia
17 Sep - 26 Sep	Air Serbia
21 Sep - 26 Sep	Air Serbia
21 Sep - 29 Sep	Air Serbia
27 Sep - 30 Sep	British Airways
23 Sep - 27 Sep	Air Serbia
29 Sep - 02 Oct	Air Serbia
20 Sep - 23 Sep	Air Serbia
20 Sep - 27 Sep	Air Serbia
28 Sep - 01 Oct	Air Serbia
03 Sep - 06 Oct	Air Serbia
29 Sep - 03 Oct	Lufthansa
27 Sep - 05 Oct	Austrian Airlines
22 Sep - 01 Oct	SWISS
05 Sep - 03 Oct	Lufthansa

Also check the deals for one-way flights from London to Skopje in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Skopje in September from 176€

Return flights